文献类型：期刊文献

英文题名：Controllable Hierarchical Microstructures Self-Assembled from Multiblock Copolymers Confined in Thin Films

作者：Zhang, Xu[1];Wang, Liquan[1];Zhang, Liangshun[1];Lin, Jiaping[1];Jiang, Tao[1]

机构：[1]East China Univ Sci & Technol, Shanghai Key Lab Adv Polymer Mat, State Key Lab Bioreactor Engn, Key Lab Ultrafine Mat,Minist Educ,Sch Mat Sci & E, Shanghai 200237, Peoples R China

年份：2015

卷号：31

期号：8

起止页码：2533

外文期刊名：LANGMUIR

收录：;EI(收录号：20151000610133);WOS:【SCI-EXPANDED(收录号:WOS:000384390800002)】；

基金：This work was supported by National Natural Science Foundation of China (21304035, 21234002), Key Grant Project of Ministry of Education (313020), National Basic Research Program of China (No. 2012CB933600), Fundamental Research Funds for the Central Universities (222201314024), and Research Fund for the Doctoral Program of Higher Education of China (20120074120002). Support from project of Shanghai municipality (13JC1402000) is also appreciated.

语种：英文

外文关键词：Dissipative particle dynamics

摘要：Hierarchical microstructures self-assembled from A(BC)(n) multiblock copolymers confined between two solid surfaces were explored by dissipative particle, dynamics simulations. The strategy using confinement allows us to generate hierarchical microstructures with various numbers and different orientations of small-length-scale lamellae. Except for the hierarchical lamellar microstructures with parallel or perpendicular arrangements of small-length-scale lamellae, the coexistence of two different hierarchical lamellae was also discovered by varying the film thickness. The dynamics of hierarchical microstructure formation was further examined. It was found that the formation of the hierarchical microstructures exhibits a stepwise manner where the formation of small-length-scale structures lags behind that of large-length-scale structures. The present work could provide guidance for controllable manufacture of hierarchical microstructures.